Table 1 Model’s comparative review Analysis.

From: Multi-camera spatiotemporal deep learning framework for real-time abnormal behavior detection in dense urban environments

Reference

Method

Main Objectives

Findings

Limitations

1

ConvTrans-OptBiSVM

Hybrid convolution-transformer model for abnormal behavior detection

Improved real-time detection accuracy in crowded spaces

High computational complexity for large Scale deployment

2

Unsupervised Group Based Behavior Detection

Crowd dynamics analysis using unsupervised learning

Effective for tracking group movements in dynamic environments

Struggles with individual-level anomaly detection

3

Spatio-Temporal Saliency Descriptor & Fuzzy Representation

Anomaly detection using saliency features

Enhanced feature representation improves detection accuracy

Limited adaptability to rapidly changing environments

4

CNN Based Anomalous Behavior Detection on Buses

Detection of abnormal passenger activities

Effective detection of theft and violent behaviors in transit systems

Performance declines in highly occluded scenes

5

CNN Based Aerial Intelligence for Human Action Recognition

Drone Based surveillance for anomaly detection

Achieves high accuracy in open Space monitoring

Limited applicability in indoor or occluded settings

6

Two Stream Extreme Learning Machine & Stacked Autoencoder

Multi Stream learning for anomaly classification

Reduces dependency on large training datasets

Susceptible to overfitting on small datasets

7

MP-Abr Multi-Person Anomaly Recognition

Attention Based framework for multi-person anomaly detection

Improved robustness in multi-agent environments

Lacks adaptability to highly dynamic backgrounds

8

Efficient-X3D Based Crowd Behavior Analysis

Pre-trained network for violence detection

Achieves real-time crowd violence identification

Limited performance in low-resolution videos

9

Spatio-Temporal Autoencoders & ConvLSTMs

Autoencoder Based anomaly detection with LSTMs

Improved temporal consistency in anomaly classification

High computational cost for real-time deployment

10

Patch Based 3D Convolution with Recurrent Model

Motion Based anomaly classification

Effective in detecting anomalies with distinct motion cues

Requires large datasets for accurate training

11

Deep Learning for Abnormal Cell Division Classification

Classification of normal and abnormal cell behavior

High precision in biological anomaly detection

Limited to biomedical applications

12

Adaptive Loitering Anomaly Detection

Detecting suspicious pedestrian behaviors

Effective in monitoring unauthorized presence in restricted areas

Prone to misclassification in dense urban spaces

13

Comprehensive Review of Video Anomaly Detection Datasets

Evaluating publicly available datasets

Provides benchmark comparisons for future research

No experimental implementation

14

YOLOv8 Based Fall Detection

Human safety monitoring for assisted living

Real-time response to sudden human falls

Limited generalization to other human activities

15

Kernel Local Component Analysis & Deep Learning

Surveillance Based activity anomaly detection

High recall for behavior Based anomalies

High training overhead for complex motion patterns

16

Smart Proctoring with Automated Anomaly Detection

AI-driven proctoring for exam integrity

Improved detection of cheating behaviors in online assessments

Susceptible to false positives in ambiguous scenarios

17

Temporal Graph Attention with Transformer-Augmented RNNs

Hybrid deep learning for enhanced anomaly detection

High accuracy in complex surveillance environments

Requires extensive hyperparameter tuning

18

Vista-Lite Smart Surveillance System

Motion prediction for urban video monitoring

Reduces false alarms in high-traffic zones

High initial setup cost

19

Unsupervised Spatial–Temporal Action Translation

Unsupervised framework for violence detection

Achieves high accuracy in crime detection

Poor adaptation to new environmental conditions

20

Survey on Video Anomaly Detection

Comparative study on detection techniques

Comprehensive assessment of existing approaches

No direct performance validation

21

3D CNN with Convolutional Block Attention

Key-frame Based violence detection

Increased efficiency in event classification

Computationally expensive for real-time applications

22

Mobile Crowd Sensing in IOTA Framework

Deep learning for IoT Based anomaly detection

Efficient anomaly recognition in mobile surveillance

Scalability concerns in large urban networks

23

Suspicious Object Detection with ML

Object Based anomaly detection

Enhanced security monitoring in public places

Prone to misclassification in cluttered environments

24

SED NET: Suspicious Event Detection

Neural network Based anomaly detection

Real-time response to suspicious activities

Requires extensive training data

25

Appearance & Motion Based Crowd Anomaly Detection

Multi-object tracking for crowd event recognition

High recall in pedestrian-heavy environments

Struggles with occlusion and lighting changes

26

Psychophysiological Analysis in Emergency Events

Behavioral assessment in crisis situations

Provides insights into human reactions during accidents

Not directly applicable to real-time surveillance

27

Deep Learning Based Crowd Behavior Analysis

Crowd anomaly detection via deep feature extraction

High accuracy in public event monitoring

Limited adaptability to sudden environmental shifts

28

Enhanced YOLOv5 for Person Detection

Object recognition and motion tracking

Robust detection of individuals in varying lighting conditions

High computational cost for real-time tracking

29

RPCA-MFTSL & PSO-CNN for Anomalous Action Detection

Hybrid deep learning for motion Based anomalies

Improved anomaly generalization in surveillance videos

Performance degradation in extreme occlusions

30

AI Based Covid-19 Detection & Prevention

AI-driven medical anomaly recognition

Effective in screening Covid-19 symptoms in imaging

Limited scope beyond healthcare

31

Trajectory Based Cattle Classification

Motion feature analysis for livestock monitoring

High accuracy in predicting animal behaviors

Not applicable for human activity monitoring

32

Hierarchical Deep Dyna-Q Network (HDDQN) for action prediction,

To improve person detection, action prediction and video synthesis in CCTV surveillance.

Achieved high accuracy. Improved video synthesis with SSIM of 0.75 and PSNR of 30 dB.

High computational complexity, requiring substantial processing power

33, 34

3D CNNs with Temporal Attention Networks for spatiotemporal action localization.

Improving person tracking, weapon detection and action recognition across multi-camera setups.

Achieved high detection accuracy. Real-time learning enhanced adaptability.

Dependency on human feedback in RL-HITL for continuous improvement.

35

DBSCAN Based Access Control

Security access validation for medical systems

Reduces false positives in authentication systems

Limited applicability in surveillance settings

36

Crowd Behavior Analysis with Expectation–Maximization

Video segmentation for behavioral classification

High precision in large Scale event analysis

Requires extensive labeled datasets

37

Autonomous Vehicle Performance Analysis

Real-road field test for self-driving systems

Evaluates driving anomalies in real-world conditions

Limited to automotive research

38

YOLOv3 & ReID Based People Flow Analysis

Statistical model for public space monitoring

Enhanced efficiency in detecting high-density pedestrian movement

Limited performance in extreme lighting conditions

39

Bioimaging & Theranostics

AI-driven medical diagnostics

High precision in cellular-level anomaly detection

Not applicable to video Based surveillance

40

HiEve: Large Scale Human-Centric Video Benchmark

Dataset for complex event detection

Provides diverse labeled scenarios for anomaly research

High storage and processing requirements

41

Deformable Convolution for Sports Recognition

Multi Scale feature extraction for action recognition

Effective in classifying sports activities

Not optimized for crowd anomaly detection

42

Attention Based Transformers for Human Activity Detection

Transformer Based activity recognition

High accuracy in event categorization

Requires high computational resources

43

Violence Detection with Mosaicking & DFE-WLSRF

Deep learning Based violence detection

Effective in classifying aggressive behaviors

Struggles with partial occlusions